Rene Herman wrote: > On 22-06-08 22:10, Jerry Geis wrote: > >> play wavefile.wav works fine > > "play" is using the OSS interface ... > >> aplay wavefile.wav shows this: >> >> ALSA lib pcm_dmix.c:1046:(snd_pcm_dmix_open) unable to open slave >> aplay: main:564: audio open error: Invalid argument > > ... and this might indicate a permission problem on the ALSA device > nodes. What does ls -ld /dev/snd and ls -l /dev/snd say? Are you a > member of the group which has access? (try "id" from a terminal if > you're not sure). > > If that's not it things become more involved but it's somewhat likely > I guess. > > Rene. > Rene I am user root at this time when trying to use aplay. drwxr-xr-x 2 root root 160 Jun 22 15:49 /dev/snd ls -l /dev/snd total 0 crw-rw---- 1 root root 116, 0 Jun 22 15:49 controlC0 crw-rw---- 1 root root 116, 24 Jun 22 15:49 pcmC0D0c crw-rw---- 1 root root 116, 16 Jun 22 15:49 pcmC0D0p crw-rw---- 1 root root 116, 25 Jun 22 15:49 pcmC0D1c crw-rw---- 1 root root 116, 17 Jun 22 15:49 pcmC0D1p crw-rw---- 1 root root 116, 33 Jun 22 15:49 timer uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel) So what should my permissions be and did I miss a command that sets up the correct permissions? Jerry ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user